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A046362 Composite palindromes divided by the palindromic sum of their prime factors is a palindrome (counted with multiplicity). 0
4, 1345431, 12333321, 1425665241, 12026255262021, 35686666668653, 40181955918104, 128449444944821, 146426787624641, 651751101157156, 1734573883754371, 2313421221243132 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

1345431 = 3 * 17 * 23 * 31 * 37 -> Sum of factors is palindrome 111 -> 1345431 / 111 = 12121 and quotient is also palindromic.

CROSSREFS

Cf. A046358, A046361.

Sequence in context: A124119 A090096 A218484 * A144122 A058424 A204041

Adjacent sequences:  A046359 A046360 A046361 * A046363 A046364 A046365

KEYWORD

nonn,more,base

AUTHOR

Patrick De Geest, Jun 15 1998.

EXTENSIONS

Edited name and a(5)-a(12) from Donovan Johnson, Oct 11 2011

STATUS

approved

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Last modified May 23 08:03 EDT 2017. Contains 286909 sequences.